US2077539A - Acid wool dyestuffs of the anthraquinone series - Google Patents

Acid wool dyestuffs of the anthraquinone series Download PDF

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Publication number
US2077539A
US2077539A US48778A US4877835A US2077539A US 2077539 A US2077539 A US 2077539A US 48778 A US48778 A US 48778A US 4877835 A US4877835 A US 4877835A US 2077539 A US2077539 A US 2077539A
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United States
Prior art keywords
sulfonic acid
acid
group
nucleus
anthraquinone series
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Expired - Lifetime
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US48778A
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English (en)
Inventor
Weinand Klaus
Bamberger Curt
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General Aniline Works Inc
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General Aniline Works Inc
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/083Mineral agents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16Amino-anthraquinones
    • C09B1/20Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/28Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups

Definitions

  • the present invention relates to new acid wool dyestuifs of the anthraquinone series.
  • new acid wool dyestuffs of the anthraquinone series 5 are obtained by introducing in an anthraquinone body into both a-POSltiOIIS of the one nucleus a hydroarylamino group and into one S-position of the other nucleus a sulfamide sulfonic acid group.
  • the hydroaryl groups are preferably of the hexahydro benzene series, examples for suitable groups being the hexahydroaniline, the hexahydro-para-toluidine, the hexahydro-orthotoluidine and the hexahydro-para-anisidine group.
  • sulfamide sulfonic acid 5 groups indicates sulfamide groups which contain the residue of an aliphatic or aromatic sulfonic acid attached to the nitrogen of the amido group.
  • Suitable examples for aliphatic or aromatic sulfonic acid groups are the residue of the ethane sulfonic acid, propane sulfonic acid, benzene sulfonic acid, toluene sulfonic acid and naphthalene disulfonic acid.
  • the other hydrogen atom of the sulfamido group may be replaced by an alkyl group such as methyl or ethyl.
  • the preparation of our new acid wool dyestufis can be effected by causing hydroaryl amines to react upon Banthraquinone sulfamide sulfonic acids which contain easily exchangeable substituents in both w-DOSitiOHS of the other nucleus.
  • Another method of working consists in first introducing easily exchangeable groups such as halogen atoms into both u-positions of the one nucleus, replacing the same by hydroaryl amino groups and then introducing a sulfamide sulfonic acid group into a ,B-position of the other nucleus.
  • Our new dyestufis may be defined as anthraquinones which contain a hydroaryl amino group in both a-positions of the one nucleus and a sulfamide sulfonic acid group in one fl-position of the other nucleus.
  • Example 1 10 parts of 1,4-dich1oroanthraquinone-6-sul1'omethyltauride (obtainable from 1,4-dichloroanthraquinone-G-sulfonic acid chloride and methyltaurine) are heated to boiling for 68 hours in 400 parts of water with the addition of 30 parts of hexahydroaniline, 1 part of copper sulfate and 4 parts of a caustic soda solution. On cooling the 1,4-dihexahydroanilidoanthraquinone-6- sulfomethyltauride is precipitated, sucked ofi and redissolved from. water. The dyestufi dyes wool from an acid bath clear greenish-blue shades.
  • Dyestuffs of similar properties are obtained by replacing the hexahydroaniline by hexahydroorthoor para-toluidine or hexa-hydro-paraanisidine.
  • Example 2 10 parts of 1,4-dichloroanthraquinone-6-sulfomethlyanilido sulfonic acid (obtainable from 1,4-dichloroanthraquinone-6-sulfochl0ride and methyl aniline While subsequently sulfonating the methylanilide thus obtained) are heated to boiling for 6-8 hours in 400 parts of water with the addition of 30 parts of hexahydroaniline, 1 part of copper sulfate and 4 parts of a caustic soda solution. On cooling the 1,4-dihexahydroanilidoanthraquinone-6 sulfomethylanilidosulfonic acid is precipitated, sucked ofi and rinsed by dissolving in water. The dyestuff dyes wool from an acid bath clear greenish-blue shades.
  • the dyestufi mentioned above can also be obtained by causing 1,4-dichloroanthraquinone-G- sulfomethylanilide to react upon hexahydroaniline in the usual manner and then sulfonating at room temperature.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Coloring (AREA)
US48778A 1934-11-16 1935-11-07 Acid wool dyestuffs of the anthraquinone series Expired - Lifetime US2077539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE465889X 1912-12-10

Publications (1)

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US2077539A true US2077539A (en) 1937-04-20

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US48778A Expired - Lifetime US2077539A (en) 1934-11-16 1935-11-07 Acid wool dyestuffs of the anthraquinone series

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US (1) US2077539A (fr)
FR (2) FR465889A (fr)
GB (1) GB465889A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426547A (en) * 1943-04-12 1947-08-26 Ici Ltd Anthraquinone dyestuffs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251492A (en) 1978-06-07 1981-02-17 Ciba-Geigy Corporation Purification process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426547A (en) * 1943-04-12 1947-08-26 Ici Ltd Anthraquinone dyestuffs

Also Published As

Publication number Publication date
FR797388A (fr) 1936-04-25
GB465889A (en) 1937-05-18
FR465889A (fr) 1914-04-29

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